Recently I’ve been infatuated with espresso-type brewing, and have been on a quixotic quest to get the perfect decaf shot. In doing so, I bought a bottomless portafilter for my Gaggia Classic Pro, which very quickly revealed that the biggest problem in my brewing is that my Baratza Encore simply isn’t up to the task, even with the modifications I made to it; all of my shots were channeling and making a mess, regardless of grind size or tamp pressure. The only fix was to grind ultra-fine a...